What a week. It kicked off with new Windows Phone handsets from AT&T and ended with our friends over in “big” Windows taking the wraps off Windows 8. Still, there were plenty of Windows Phone tidbits to go around. Here are a few of my favorites.

Apps updated for Mango start to arrive

Here they come. New versions of the official Foursquare and Flixster apps tuned for Windows Phone 7.5 (aka Mango) landed in Marketplace this week—and they weren’t alone. Wondering what new and cool things you’ll be able to do on your phone once Mango—and apps designed to take advantage of it—arrive? The Foursquare entry offers a good taste, tapping new Windows Phone 7.5 features such as fast-app switching, extra Live Tiles, and App Connect. Watch this new YouTube video for a quick look at what these new features are all about.

Hot deals: Buy a Verizon HTC Trophy, make $49.99

Attention savvy smartphone shoppers: Amazon Wireless is offering a hard-to-resist deal on the Verizon HTC Trophy. You can now buy the phone for a penny. If that’s not good enough, you’ll also get a $50 Amazon gift card with your purchase. The deal expires at midnight on September 27. Check out the Amazon Wireless site for the full scoop.

App spotlight: Guardly for Windows Phone

Safety is one big reason why carrying a smartphones is so comforting—and why more parents are handing out phones to their kids. When it comes to my own family, I’m a chronic worrier. So the new Guardly app in Marketplace immediately caught my eye. Billed as a “personal safety service,” the app is designed to quickly connect you to friends, family, or authorities during an emergency and includes a bunch of other safety-related features. Check out the company’s website to see how it works.

App roundup: 5 apps, 30 seconds

The latest video review from our friends at Pocketnow features Bandwith Test, Geocaching, Got News, Prime TV, and the game Danger Wing. What new Marketplace arrival caught your eye?